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Java Tutorial : Java wrapper class (Character) |
Java Tutorial : Java wrapper class (Character) |
public class WrapperClassTest { public static void main(String[] args) { char ch = 'a'; System.out.println("ch = " + ch); Character characterObj = new Character(ch); System.out.println("characterObj = " + characterObj); /* * If you pass a primitive char into a method that * expects an object, the compiler automatically * converts the char to a Character for you.This * feature is called autoboxing. */ displayCharObj('c'); /* * If you pass an object into a method that expects * an primitive char, the compiler automatically * converts the Character to a char for you.This * feature is called unboxing. */ displayChar(new Character('z')); } public static void displayCharObj(Character characterObjParam) { System.out .println("characterObjParam = " + characterObjParam); } public static void displayChar(char chParam) { System.out.println("chParam = " + chParam); } }
ch = a characterObj = a characterObjParam = c chParam = z
https://sites.google.com/site/javaee4321/java/WrapperClassDemo_Character_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/WrapperClassDemo_Character_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/9880b82016e29094f797cfa7ceb03441b567b426/BasicJava/WrapperClassDemo_Character_App/?at=master
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